单项选择题

He waited for the bus for an hour. ______, it arrived.

A．At last
B．At once
C．In time
<上一题 目录 下一题>
热门 试题

单项选择题
______ she was very tired, she went to bed very late.
A．Because
B．Though
C．Now that
单项选择题
______ wonderful music it is!
A．How
B．What
C．What a
相关试题